Display and the driving method thereof

Abstract

A display device including backlight module, light valve groups such as display pixels disposed on the backlight module is provided, and the light valve group includes sub pixels. The backlight module includes light emitting arrays, and the light emitting array includes light emitting areas disposed along a first direction. The position of every light emitting arrays is corresponded to the position of one of the light valve groups, and the sub pixels of the light valve group are disposed along a second direction, and the first direction and the second direction are not parallel. When the light emitting areas of the light emitting array is emitting light, the illuminating light of every light emitting areas can illuminate multiple sub pixels. A driving method of the display device is also provided.

1 . A display including:
 a backlight module, including a plurality of light-emitting arrays, and every light-emitting array includes multiple light-emitting areas arranged along a first direction;   a plurality of display pixels, disposed on the backlight module;   wherein every display pixel includes a plurality of sub-pixels arranged along a second direction, which is not parallel to the first direction, and each of the light-emitting areas of the light-emitting array corresponded to the display pixels.   
     
     
         2 . The display of  claim 1 , wherein every sub-pixel has a plurality of sub-areas, and the sub-areas of the sub-pixel respectively receive the lights generated from the different light-emitting areas of the corresponded light-emitting arrays. 
     
     
         3 . The display of  claim 2 , wherein the dimensions of the sub-areas in the sub-pixel are substantially the same. 
     
     
         4 . The display of  claim 1 , wherein the light-emitting areas of the light-emitting array emit light from a light-emitting surface;
 a projection area of display pixel corresponded to the light-emitting array overlaps with the distribution area of the light-emitting array on the light-emitting surface, and the distribution area of light-emitting areas on the light-emitting surface interlaces with the distribution area of the sub-pixels projected to the light-emitting surface, wherein the area of every sub-pixel projected to the light-emitting surface overlaps with multiple distribution areas of the light-emitting areas on the light-emitting surface.   
     
     
         5 . The display of  claim 1 , wherein the light-emitting areas are formed into rectangular shape and each has a first long side being perpendicular to the first direction; the sub-pixels are formed respectively into rectangular shape and each has a second long side being perpendicular to the second direction; every sub-pixel lies across and above the light-emitting areas. 
     
     
         6 . The display of  claim 1 , wherein the first direction and the second direction are substantially perpendicular. 
     
     
         7 . A display including:
 a plurality of display components, each display component including:   a light-emitting array, including multiple light-emitting areas arranged along a first direction;   a display pixel, disposed on the light-emitting array;   wherein the display pixel includes a plurality of sub-pixels arranged along a second direction which is not parallel to the first direction, and every light-emitting area provides light to illuminate the sub-pixels.   
     
     
         8 . The display of  claim 7 , wherein every sub-pixel has sub-areas, and the sub-areas of the sub-pixel respectively receive the lights generated from different light-emitting areas of the corresponded light-emitting array. 
     
     
         9 . The display of  claim 8 , wherein the dimensions of the sub-areas in the sub-pixel are substantially the same. 
     
     
         10 . The display of  claim 7 , wherein in every display component, the light-emitting areas of the light-emitting array emit light from a light-emitting surface;
 a projection area of the sub-pixels on the light-emitting surface and the distribution area of the light-emitting areas on the light-emitting surface are overlapped and interlaced, wherein the area of every sub-pixel projected to the light-emitting surface overlaps with the distribution areas of all the light-emitting areas on the light-emitting surface.   
     
     
         11 . The display of  claim 7 , wherein the light-emitting areas are formed into rectangular shape and each has a first long side being perpendicular to the first direction; the sub-pixels are formed respectively into rectangular shape and each has a second long side being perpendicular to the second direction; every sub-pixel lies across and above the light-emitting areas. 
     
     
         12 . The display of  claim 7 , wherein the first direction and the second direction are substantially perpendicular to each other. 
     
     
         13 . A driving method of the display of  claims 1  to  12  includes:
 providing a gradient data which includes a plurality of gradient values; 
 obtaining a maximum of the gradient values in every gradient data; 
 generating a light-emitting control signal according to the magnitude of the maximum; 
 providing the light-emitting control signal to one of the light-emitting arrays and determining the light up numbers of light-emitting area of the light-emitting array; 
 and providing the gradient data to sub-pixels corresponded to the light-emitting array, then adjusting the transmittance of the sub-pixels according to gradient values of the gradient data received. 
 
     
     
         14 . The driving method of  claim 13 , wherein the step of generating the light-emitting control signal further includes:
 calibrating the maximum so as to generate a calibrated maximum value;   determining the light-emitting control signal according to the calibrated maximum value.   
     
     
         15 . The driving method of  claim 13 , wherein the step of generating the light-emitting control signal also includes:
 determining value sections within the receiving range of gradient value of the sub-pixels, the value sections corresponded respectively to different light-emitting control signals;   wherein the light-emitting control signal is determined according to the value section of the maximum.   
     
     
         16 . The driving method of  claim 13 , wherein the calibrated transmittance of sub-pixels according to the gradient value received and the magnitude of the gradient value are positively correlated.